Pick out the wrong statement pertaining to the comparative evaluation of performance of the packed tower and the plate tower.
A. Plate tower is perferred, if interstage cooling is required to remove heats of reaction or solution
B. Plate tower is preferred over packed tower, if the operation involves liquids containing dispersed solids
C. The total weight of a dry plate tower is usually much more than that of a dry packed tower designed for the same duty
D. In operations involving large temperature changes. (e.g. distillation), plate towers are preferred over packed towers as the packing may be crushed due to large temperature changes
Answer: Option C
This Question Belongs to Chemical Engineering >> Process Equipment And Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.
A. $$\frac{1}{8}$$ and $$\frac{1}{{64}}$$
B. $$\frac{1}{{64}}$$ and $$\frac{1}{8}$$
C. $$\frac{1}{2}$$ and 8
D. $$\frac{1}{2}$$ and 5
A. Less than
B. 1.25-1.50 times
C. 2.5 times
D. One-fourth of
Value of Peclet number = 0, is the representative of
A. Laminar flow
B. Complete back mixing
C. Plug flow
D. Eddy diffusivity = 0
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